Garmin Forerunner 405 vs Garmin Forerunner 570

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Forerunner 405 compared with Forerunner 570

	GarminForerunner 405	GarminForerunner 570
Overview
Released
Released	April 2008	May 2025
Display
Case sizes
Case sizes	48 mm	42 mm or 47 mm
Panel
Panel	–	OLED
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Backlit monochrome screen, 1.06-inch diagonal and 124 × 95 pixels; a touch-sensitive bezel and two buttons control the watch. Panel technology is unpublished in the maker's specification.	42 mm model has a 1.2″ (30.4 mm) AMOLED touchscreen, 390 x 390 pixels; 47 mm has a 1.4″ (35.3 mm) AMOLED touchscreen, 454 x 454 pixels; five buttons; optional always-on mode
Screen protection
Screen protection	–	Corning Gorilla Glass 3
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	Yes
Skin temperature
Skin temperature	No	Yes
Sleep apnoea alerts
Sleep apnoea alerts	No	No
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	No
Fall detection
Fall detection	No	No
Crash detection
Crash detection	No	No
GPS
GPS	Single-band	Dual-band (L1 and L5)
Water resistance
Water resistance	–	50 m
Sensors
Sensors	High-sensitivity GPS receiver; optional ANT+ heart-rate chest strap, foot pod and cycling speed/cadence sensor. No optical wrist sensor.	Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
Health features
Health features	–	Skin temperature; high and low heart rate alerts; HRV status; Body Battery; all-day stress; sleep score, sleep coach, sleep alignment and nap detection; breathing variations; Health Snapshot; women's health tracking with past ovulation estimates; jet lag adviser
Fitness features
Fitness features	Pace, distance, time, calories, custom and interval workouts, Virtual Partner, Auto Lap and Auto Pause.	Training readiness and training status; training load, load ratio and load focus; training effect, VO2 max and recovery time; wrist-based running power and dynamics; PacePro; race predictor and projected race time; Garmin Coach and Garmin Triathlon Coach plans; daily suggested workouts; multisport workouts; heat and altitude acclimation; course navigation, TracBack and Up Ahead; triathlon and open-water swimming
Safety features
Safety features	Stores up to 100 locations and provides direction to a saved location; no base maps.	Incident detection during select activities; assistance; LiveTrack; live event sharing (Android only); these features require a paired phone
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 8 hours	Up to 11 days
In low-power mode
In low-power mode	Up to 14 days	–
Mobile data option
Mobile data option	No	No
Works with
Works with	No phone pairing	iPhone and Android
Storage
Storage	–	8 GB
Battery life detail
Battery life detail	Rechargeable lithium-ion battery; approximately eight hours with GPS or two weeks in power-save mode.	Smartwatch mode up to 10 days (42 mm) or 11 days (47 mm); GPS only up to 18 hours for either size; SatIQ (AutoSelect) up to 14 or 16 hours; All-Systems + Multi-Band up to 13 or 14 hours; with music, GPS only up to nine hours and the other two modes up to eight hours for either size
Charging
Charging	Contact charging clip and AC adapter.	Garmin charging cable with proprietary plug
Connectivity
Connectivity	ANT+ Sport wireless data transfer to a computer through a USB ANT stick; Garmin Connect and Garmin Training Center analysis. No direct phone pairing.	Bluetooth, ANT+ and Wi-Fi; multi-band GPS with GPS, GLONASS, Galileo, QZSS, BeiDou and SatIQ; Garmin Pay; music storage; speaker and microphone for calls and the phone's voice assistant with a paired phone; voice commands; Garmin Share; Connect IQ
Storage
Storage	Around 1,000 lap records; Garmin Taiwan quotes approximately twenty hours of track points at one point every four seconds.	–
Design
Weight (lightest version)
Weight (lightest version)	60 g	42 g (better)
Software
Software	Garmin	Garmin
Case materials
Case materials	IPX7 immersion protection, one metre for thirty minutes; not intended for swimming.	Aluminium bezel; silicone band; 5 ATM water rating
Size
Size	48 × 71 × 16 mm; approximately 60 g. Width is used as the case size; the English manual instead lists 47.75 × 70.5 × 16.4 mm.	42 mm model is 42.4 x 42.4 x 12.9 mm and 42 g; 47 mm model is 47 x 47 x 12.9 mm and 50 g; Garmin does not publish case-only weights
Bands
Bands	–	Quick-release 20 mm bands for the 42 mm model, fitting 115–178 mm wrists; quick-release 22 mm bands for the 47 mm model, fitting 135–205 mm wrists
In the box
In the box	Watch, USB ANT stick, AC charger and manual; heart-rate strap included in some bundles.	Forerunner 570, charging cable, documentation